Cornerstone Mask Ogerpon ex Collector’s Guide

Character Intro

Cornerstone Mask Ogerpon ex from the Twilight Masquerade set is a Double Rare Pokémon ex with 210 HP that blends defense and pressure. Its Cornerstone Stance ability prevents all damage from attacks by an opponent’s Pokémon with an Ability, while Demolish lands a clean 140 damage unaffected by Weakness, Resistance, or effects on the opponent’s Active Pokémon. With striking 5ban Graphics artwork, it has both battlefield presence and collector appeal.

Quick Facts

• Type: Fighting
• Stage: Basic, Tera, ex
• Weakness: Grass ×2
• Retreat Cost: 1
• Ability: Cornerstone Stance — prevents all damage from attacks by opponent’s Pokémon with an Ability
• Attack: Demolish — deals 140 damage unaffected by Weakness, Resistance, or effects on the opponent’s Active Pokémon
• Pokémon ex rule: When knocked out, opponent takes 2 Prize cards
• Illustrator: 5ban Graphics
• Set: Twilight Masquerade (sv6)
• Card Number: 112
• Rarity: Double Rare
• Image:

Key Printings

This exact printing of Cornerstone Mask Ogerpon ex is from the Twilight Masquerade set, identified by set code sv6 and card number 112. It is a Double Rare card illustrated by 5ban Graphics.

Variants & Identifiers

• There are no known print variants for this card.
• It is uniquely identified by its combination of Basic, Tera, ex subtypes and the Cornerstone Stance ability.
• The card’s regulation mark is H.

Legality & Play Notes

• Legality: unknown
• This card is not currently legal in Standard, Expanded, or Unlimited formats.
• Its ability to prevent damage from opponent’s Pokémon with Abilities and its high-damage attack make it a notable strategic option in casual play.
• The Pokémon ex rule applies, awarding two Prize cards to the opponent if it is knocked out.

Care & Storage Tips

To preserve the card’s vibrant artwork and condition, store it in a protective sleeve away from direct sunlight and moisture. Given its Double Rare status, handling with clean hands and keeping it in a rigid top-loader or binder is recommended to maintain its collector value.

Set-by-Set Micro-summaries

• Twilight Masquerade (sv6): Introduced Cornerstone Mask Ogerpon ex as a durable Fighting-type with a unique defensive ability and a powerful attack, adding depth to the Scarlet & Violet series lineup. Release date is unknown.